I am your go-to source for fastening solutions, and the sem screw m3x18 is part of my High-Quality line. As a dedicated Supplier, I guarantee consistent dimensions, reliable threading, and finish options that resist corrosion in typical workshop environments. The m3x18 size fits many compact assemblies and secures components with minimal vibration risk. I offer bulk pricing, flexible packaging, and dependable stock so your production will not stall. Quality control is baked in: every batch is measured for thread tolerance and head integrity before shipment. If you need short lead times or spec-adjusted variants, I can tailor the offer to your line. With this sem screw m3x18, you will get durable performance, easy installation, and a partner you can trust for repeat orders.
Global buyers in search of reliable precision fasteners will find the M3x18 screw a compelling choice for electronics, machinery, and automation assemblies. Its compact form, predictable thread engagement, and compatible head design help reduce assembly time and inventory complexity across products. A leading manufacturing operation in southern China has translated this standard into a scalable, quality-driven supply chain: tight dimensional control, consistent finishing, high-volume production, and responsive logistics that align with multi-region launches and just-in-time needs. Smart procurement for this component hinges on supplier capability beyond price. Look for traceable materials, third-party QC, and documented heat treatment or coating processes that meet RoHS, REACH, and industry specifications. Ask for first-article inspection, lot-level verification, and robust packaging that guards against corrosion in transit. With a trusted partner offering flexible MOQs, rapid re-stocking, and transparent lead times, buyers can streamline sourcing, minimize risk, and keep global product lines uninterrupted.
| Variant | Head Type | Material | Finish | Nominal Ø (mm) | Length (mm) | Thread Pitch (mm) | Head Ø (mm) | Tensile Strength (MPa) | Yield Strength (MPa) |
|---|---|---|---|---|---|---|---|---|---|
| Socket Head Cap Screw (SHCS) – M3x18 | Socket Head Cap Screw | Stainless Steel A2-70 | Passivated | 3.0 | 18 | 0.50 | 5.50 | 700 | 300 |
| Button Head Cap Screw – M3x18 | Button Head | Stainless Steel A2-70 | Passivated | 3.0 | 18 | 0.50 | 6.40 | 640 | 280 |
| Pan Head Machine Screw – M3x18 | Pan Head | Stainless Steel A2-70 | Polished | 3.0 | 18 | 0.50 | 5.70 | 550 | 270 |
| Socket Head Cap Screw – Alloy Steel 12.9 (Zn) | Socket Head Cap Screw | Alloy Steel Grade 12.9 | Zinc Plated | 3.0 | 18 | 0.50 | 5.30 | 1100 | 1080 |
| Socket Head Cap Screw – Stainless Steel A4-70 (316) | Socket Head Cap Screw | Stainless Steel A4-70 (316) | Passivated | 3.0 | 18 | 0.50 | 5.30 | 720 | 320 |